package com.lingyu.biz;

import java.util.List;

import com.lingyu.pojo.Prasie;
import com.lingyu.pojo.Topic;
import com.lingyu.pojo.User;

public interface ITopicBiz {
	
	/**
	 * 获取所有的topic信息，关联查询topic对应的多级comment
	 * @return
	 */
	List<Topic> getAllTopics();
	
	boolean addTopic(Topic topic);
	
	List<Prasie> getAllZan(User user);

}
